We’re always pleased when our readers write to us with questions or comments that really make us think. Here, for example, is reader K.S., who writes:Perhaps it was intended facetiously, if so I apologize for this “correction.” However, in your piece on ACORN you concluded with the following statement, “We’re accustomed to seeing logical fallacies in political arguments. But working two of them into a single argument is unusually bad logic.”All fallacies are errors in logic,